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<a href="fluid__boundary_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -------------------------------------------------------------------------*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *                              SPHinXsys                                   *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * --------------------------------------------------------------------------*</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * SPHinXsys (pronunciation: s&#39;finksis) is an acronym from Smoothed Particle    *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Hydrodynamics for industrial compleX systems. It provides C++ APIs for   *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * physical accurate simulation and aims to model coupled industrial dynamic *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * systems including fluid, solid, multi-body dynamics and beyond with SPH  *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * (smoothed particle hydrodynamics), a meshless computational method using *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * particle discretization.                                                 *</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *                                                                          *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * SPHinXsys is partially funded by German Research Foundation              *</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * (Deutsche Forschungsgemeinschaft) DFG HU1527/6-1, HU1527/10-1                *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * and HU1527/12-1.                                                         *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * Portions copyright (c) 2017-2020 Technical University of Munich and      *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * the authors&#39; affiliations.                                               *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); you may   *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * not use this file except in compliance with the License. You may obtain a *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * copy of the License at http://www.apache.org/licenses/LICENSE-2.0.        *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * --------------------------------------------------------------------------*/</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#ifndef FLUID_BOUNDARY_H</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#define FLUID_BOUNDARY_H</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fluid__dynamics__inner_8h.html">fluid_dynamics_inner.h</a>&quot;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_s_p_h.html">SPH</a></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keyword">namespace </span>fluid_dynamics</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;    {</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">   45</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">FlowRelaxationBuffer</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_part_dynamics_by_cell.html">PartDynamicsByCell</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">FluidDataSimple</a></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        {</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">FlowRelaxationBuffer</a>(<a class="code" href="class_s_p_h_1_1_fluid_body.html">FluidBody</a> &amp;fluid_body, <a class="code" href="class_s_p_h_1_1_body_part_by_cell.html">BodyPartByCell</a> &amp;body_part);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">FlowRelaxationBuffer</a>(){};</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_, &amp;vel_;</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html#abda5e08d3a3b8ad8199b0be97c37dd2a">   54</a></span>&#160;            Real <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html#abda5e08d3a3b8ad8199b0be97c37dd2a">relaxation_rate_</a>;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;            <span class="keyword">virtual</span> Vecd <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html#ad0fd4cbb0177eff9f7f877a0171a8a71">getTargetVelocity</a>(Vecd &amp;position, Vecd &amp;velocity) = 0;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        };</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition.html">   66</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition.html">InflowBoundaryCondition</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">FlowRelaxationBuffer</a></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        {</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition.html">InflowBoundaryCondition</a>(<a class="code" href="class_s_p_h_1_1_fluid_body.html">FluidBody</a> &amp;fluid_body, <a class="code" href="class_s_p_h_1_1_aligned_box_region.html">BodyAlignedBoxByCell</a> &amp;aligned_box_part);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition.html">InflowBoundaryCondition</a>(){};</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            <a class="code" href="class_s_p_h_1_1_transform2d.html">Transformd</a> &amp;transform_;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            Vecd halfsize_;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        };</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html">   86</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html">DampingBoundaryCondition</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_part_dynamics_by_cell.html">PartDynamicsByCell</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">FluidDataSimple</a></div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        {</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;            <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html">DampingBoundaryCondition</a>(<a class="code" href="class_s_p_h_1_1_fluid_body.html">FluidBody</a> &amp;fluid_body, <a class="code" href="class_s_p_h_1_1_body_region_by_cell.html">BodyRegionByCell</a> &amp;body_part);</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html">DampingBoundaryCondition</a>(){};</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_, &amp;vel_;</div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html#a211b0dbc411f84d404ae8d6d893c4c0a">   95</a></span>&#160;            Real <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html#a211b0dbc411f84d404ae8d6d893c4c0a">strength_</a>;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            <a class="code" href="class_s_p_h_1_1_base_bounding_box.html">BoundingBox</a> damping_zone_bounds_;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_particle_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        };</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html">  105</a></span>&#160;        <span class="keyword">class </span><a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html">EmitterInflowCondition</a> : <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_part_simple_dynamics_by_particle.html">PartSimpleDynamicsByParticle</a>, <span class="keyword">public</span> <a class="code" href="class_s_p_h_1_1_data_delegate_simple.html">FluidDataSimple</a></div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        {</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        <span class="keyword">public</span>:</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;            <span class="keyword">explicit</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html">EmitterInflowCondition</a>(<a class="code" href="class_s_p_h_1_1_fluid_body.html">FluidBody</a> &amp;fluid_body, <a class="code" href="class_s_p_h_1_1_aligned_box_region.html">BodyAlignedBoxByParticle</a> &amp;aligned_box_part);</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html">EmitterInflowCondition</a>(){};</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_, &amp;vel_;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <a class="code" href="class_std_large_vec_3_01_real_01_4.html">StdLargeVec&lt;Real&gt;</a> &amp;rho_, &amp;p_;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a4aaab16a43845b24980b407c015b65dd">  115</a></span>&#160;            Real <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a4aaab16a43845b24980b407c015b65dd">inflow_pressure_</a>;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;            Real rho0_;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <a class="code" href="class_s_p_h_1_1_aligned_box_shape.html">AlignedBoxShape</a> &amp;aligned_box_;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;            <a class="code" href="class_s_p_h_1_1_transform2d.html">Transformd</a> &amp;updated_transform_, old_transform_;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a1e9a898a11629fe06e1e3200e406ce1f">  121</a></span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a1e9a898a11629fe06e1e3200e406ce1f">updateTransform</a>(){};</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;            <span class="keyword">virtual</span> Vecd getTargetVelocity(Vecd &amp;position, Vecd &amp;velocity) = 0;</div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a38cdeb644ac0083ff9648b8bdbf405d6">  123</a></span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a38cdeb644ac0083ff9648b8bdbf405d6">setupDynamics</a>(Real dt = 0.0)<span class="keyword"> override </span>{ <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a1e9a898a11629fe06e1e3200e406ce1f">updateTransform</a>(); };</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> unsorted_index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        };</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html">  131</a></span>&#160; 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                                           <span class="keywordtype">size_t</span> body_buffer_width, <span class="keywordtype">int</span> axis_direction, <span class="keywordtype">bool</span> positive);</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;            <span class="keyword">virtual</span> ~<a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html">EmitterInflowInjecting</a>(){};</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a837e463b8446da0d485fab5ab8a38bbd">  139</a></span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a837e463b8446da0d485fab5ab8a38bbd">parallel_exec</a>(Real dt = 0.0)<span class="keyword"> override </span>{ <a class="code" href="class_s_p_h_1_1_part_simple_dynamics_by_particle.html#a2b1ca5cb6f69ff9d5410bd851ade1f11">exec</a>(); };</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;            <a class="code" href="class_s_p_h_1_1_aligned_box_shape.html">AlignedBoxShape</a> &amp;getBodyPartByParticle(){};</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keyword">protected</span>:</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            <a class="code" href="class_std_large_vec_3_01_real_01_4.html">StdLargeVec&lt;Real&gt;</a> &amp;rho_, &amp;p_;</div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a45bef7b7680a610ae4bba08a78665a1f">  145</a></span>&#160;            <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a45bef7b7680a610ae4bba08a78665a1f">axis_</a>; </div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="keywordtype">size_t</span> body_buffer_width_;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            <a class="code" href="class_s_p_h_1_1_aligned_box_shape.html">AlignedBoxShape</a> &amp;aligned_box_;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a12390a7e04f0d55092bad55fd96fb31b">checkLowerBound</a>(<span class="keywordtype">size_t</span> unsorted_index_i, Real dt = 0.0);</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a3abcad3680c4fe824aaa07af52e22284">checkUpperBound</a>(<span class="keywordtype">size_t</span> unsorted_index_i, Real dt = 0.0);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            <a class="code" href="namespace_s_p_h.html#aa72cf1f63790f923a029b77f683b9a5e">ParticleFunctor</a> checking_bound_;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> unsorted_index_i, Real dt = 0.0)<span class="keyword"> override</span></div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160; 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           <a class="code" href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt;Vecd&gt;</a> &amp;pos_, &amp;vel_, &amp;acc_;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;            <a class="code" href="class_s_p_h_1_1_level_set_shape.html">LevelSetShape</a> *level_set_shape_;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            <a class="code" href="class_s_p_h_1_1_acoustic_riemann_solver.html">AcousticRiemannSolver</a> riemann_solver_;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="keyword">virtual</span> <span class="keywordtype">void</span> Update(<span class="keywordtype">size_t</span> index_i, Real dt = 0.0) <span class="keyword">override</span>;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        };</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_density_relaxation.html">  201</a></span>&#160; 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Real &gt;</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_fluid_body_html"><div class="ttname"><a href="class_s_p_h_1_1_fluid_body.html">SPH::FluidBody</a></div><div class="ttdoc">Fluid body uses smoothing length to particle spacing 1.3 and carry out particle sorting every 100 ite...</div><div class="ttdef"><b>Definition:</b> fluid_body.h:43</div></div>
<div class="ttc" id="class_s_p_h_1_1_body_part_by_cell_html"><div class="ttname"><a href="class_s_p_h_1_1_body_part_by_cell.html">SPH::BodyPartByCell</a></div><div class="ttdoc">A body part with a collection of cell lists. </div><div class="ttdef"><b>Definition:</b> base_body_part.h:100</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting_html_a45bef7b7680a610ae4bba08a78665a1f"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a45bef7b7680a610ae4bba08a78665a1f">SPH::fluid_dynamics::EmitterInflowInjecting::axis_</a></div><div class="ttdeci">const int axis_</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:145</div></div>
<div class="ttc" id="fluid__dynamics__inner_8h_html"><div class="ttname"><a href="fluid__dynamics__inner_8h.html">fluid_dynamics_inner.h</a></div><div class="ttdoc">Here, we define the algorithm classes for fluid dynamics within the body. </div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html">SPH::fluid_dynamics::FlowRelaxationBuffer</a></div><div class="ttdoc">Flow buffer in which the particles relaxes to a given target velocity profile. This technique will be...</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:45</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_density_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_density.html">SPH::fluid_dynamics::StaticConfinementDensity</a></div><div class="ttdoc">static confinement condition for density summation </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:163</div></div>
<div class="ttc" id="class_s_p_h_1_1_part_simple_dynamics_by_particle_html"><div class="ttname"><a href="class_s_p_h_1_1_part_simple_dynamics_by_particle.html">SPH::PartSimpleDynamicsByParticle</a></div><div class="ttdoc">Abstract class for body part simple particle dynamics. </div><div class="ttdef"><b>Definition:</b> particle_dynamics_bodypart.h:70</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html">SPH::fluid_dynamics::DampingBoundaryCondition</a></div><div class="ttdoc">damping boundary condition which relaxes the particles to zero velocity profile. TODO: one can using ...</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:86</div></div>
<div class="ttc" id="class_s_p_h_1_1_body_region_by_cell_html"><div class="ttname"><a href="class_s_p_h_1_1_body_region_by_cell.html">SPH::BodyRegionByCell</a></div><div class="ttdoc">A body part with the cell lists within a prescribed shape. </div><div class="ttdef"><b>Definition:</b> base_body_part.h:168</div></div>
<div class="ttc" id="class_std_large_vec_3_01_vecd_01_4_html"><div class="ttname"><a href="class_std_large_vec_3_01_vecd_01_4.html">StdLargeVec&lt; Vecd &gt;</a></div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting_html_a837e463b8446da0d485fab5ab8a38bbd"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a837e463b8446da0d485fab5ab8a38bbd">SPH::fluid_dynamics::EmitterInflowInjecting::parallel_exec</a></div><div class="ttdeci">virtual void parallel_exec(Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:139</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_density_relaxation_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_density_relaxation.html">SPH::fluid_dynamics::StaticConfinementDensityRelaxation</a></div><div class="ttdoc">static confinement condition for density relaxation </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:201</div></div>
<div class="ttc" id="class_s_p_h_1_1_aligned_box_shape_html"><div class="ttname"><a href="class_s_p_h_1_1_aligned_box_shape.html">SPH::AlignedBoxShape</a></div><div class="ttdoc">Used to describe a bounding box in which the plane vertical to axis direction is aligned to a planar ...</div><div class="ttdef"><b>Definition:</b> complex_shape.h:68</div></div>
<div class="ttc" id="class_s_p_h_1_1_level_set_shape_html"><div class="ttname"><a href="class_s_p_h_1_1_level_set_shape.html">SPH::LevelSetShape</a></div><div class="ttdoc">A shape using level set to define geometry. </div><div class="ttdef"><b>Definition:</b> level_set_shape.h:46</div></div>
<div class="ttc" id="class_s_p_h_1_1_near_shape_surface_html"><div class="ttname"><a href="class_s_p_h_1_1_near_shape_surface.html">SPH::NearShapeSurface</a></div><div class="ttdoc">A body part with the cell lists near the surface of a prescribed shape. </div><div class="ttdef"><b>Definition:</b> base_body_part.h:187</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html">SPH::fluid_dynamics::EmitterInflowInjecting</a></div><div class="ttdoc">Inject particles into the computational domain. </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:131</div></div>
<div class="ttc" id="class_s_p_h_1_1_aligned_box_region_html"><div class="ttname"><a href="class_s_p_h_1_1_aligned_box_region.html">SPH::AlignedBoxRegion</a></div><div class="ttdoc">A template body part with the collection of particles within by an AlignedBoxShape. </div><div class="ttdef"><b>Definition:</b> base_body_part.h:213</div></div>
<div class="ttc" id="class_s_p_h_1_1_part_simple_dynamics_by_particle_html_a2b1ca5cb6f69ff9d5410bd851ade1f11"><div class="ttname"><a href="class_s_p_h_1_1_part_simple_dynamics_by_particle.html#a2b1ca5cb6f69ff9d5410bd851ade1f11">SPH::PartSimpleDynamicsByParticle::exec</a></div><div class="ttdeci">virtual void exec(Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> particle_dynamics_bodypart.cpp:69</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting_html_a12390a7e04f0d55092bad55fd96fb31b"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a12390a7e04f0d55092bad55fd96fb31b">SPH::fluid_dynamics::EmitterInflowInjecting::checkLowerBound</a></div><div class="ttdeci">virtual void checkLowerBound(size_t unsorted_index_i, Real dt=0.0)</div><div class="ttdef"><b>Definition:</b> fluid_boundary.cpp:112</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition_html_a1e9a898a11629fe06e1e3200e406ce1f"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a1e9a898a11629fe06e1e3200e406ce1f">SPH::fluid_dynamics::EmitterInflowCondition::updateTransform</a></div><div class="ttdeci">virtual void updateTransform()</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:121</div></div>
<div class="ttc" id="class_s_p_h_1_1_transform2d_html"><div class="ttname"><a href="class_s_p_h_1_1_transform2d.html">SPH::Transform2d</a></div><div class="ttdoc">Coordinate transform in 2D Note that the rotation is around the frame (or local) origin. </div><div class="ttdef"><b>Definition:</b> base_data_type.h:453</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html">SPH::fluid_dynamics::EmitterInflowCondition</a></div><div class="ttdoc">Inflow boundary condition imposed on an emitter, in which pressure and density profile are imposed to...</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:105</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer_html_abda5e08d3a3b8ad8199b0be97c37dd2a"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html#abda5e08d3a3b8ad8199b0be97c37dd2a">SPH::fluid_dynamics::FlowRelaxationBuffer::relaxation_rate_</a></div><div class="ttdeci">Real relaxation_rate_</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:54</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition_html_a38cdeb644ac0083ff9648b8bdbf405d6"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a38cdeb644ac0083ff9648b8bdbf405d6">SPH::fluid_dynamics::EmitterInflowCondition::setupDynamics</a></div><div class="ttdeci">virtual void setupDynamics(Real dt=0.0) override</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:123</div></div>
<div class="ttc" id="class_s_p_h_1_1_base_bounding_box_html"><div class="ttname"><a href="class_s_p_h_1_1_base_bounding_box.html">SPH::BaseBoundingBox&lt; Vec2d &gt;</a></div></div>
<div class="ttc" id="class_s_p_h_1_1_part_dynamics_by_cell_html"><div class="ttname"><a href="class_s_p_h_1_1_part_dynamics_by_cell.html">SPH::PartDynamicsByCell</a></div><div class="ttdoc">Abstract class for imposing Eulerian constrain to a body. The constrained particles are in the tagged...</div><div class="ttdef"><b>Definition:</b> particle_dynamics_bodypart.h:143</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_pressure_relaxation_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_pressure_relaxation.html">SPH::fluid_dynamics::StaticConfinementPressureRelaxation</a></div><div class="ttdoc">static confinement condition for pressure relaxation </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:182</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition_html_a211b0dbc411f84d404ae8d6d893c4c0a"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_damping_boundary_condition.html#a211b0dbc411f84d404ae8d6d893c4c0a">SPH::fluid_dynamics::DampingBoundaryCondition::strength_</a></div><div class="ttdeci">Real strength_</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:95</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer_html_ad0fd4cbb0177eff9f7f877a0171a8a71"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_flow_relaxation_buffer.html#ad0fd4cbb0177eff9f7f877a0171a8a71">SPH::fluid_dynamics::FlowRelaxationBuffer::getTargetVelocity</a></div><div class="ttdeci">virtual Vecd getTargetVelocity(Vecd &amp;position, Vecd &amp;velocity)=0</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_inflow_boundary_condition.html">SPH::fluid_dynamics::InflowBoundaryCondition</a></div><div class="ttdoc">Inflow boundary condition which imposes directly to a given velocity profile. </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:66</div></div>
<div class="ttc" id="class_s_p_h_1_1_acoustic_riemann_solver_html"><div class="ttname"><a href="class_s_p_h_1_1_acoustic_riemann_solver.html">SPH::AcousticRiemannSolver</a></div><div class="ttdef"><b>Definition:</b> riemann_solver.h:74</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement_html"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_static_confinement.html">SPH::fluid_dynamics::StaticConfinement</a></div><div class="ttdoc">Static confined boundary condition for complex structures. </div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:220</div></div>
<div class="ttc" id="class_s_p_h_1_1_data_delegate_simple_html"><div class="ttname"><a href="class_s_p_h_1_1_data_delegate_simple.html">SPH::DataDelegateSimple</a></div><div class="ttdoc">prepare data for simple particle dynamics. </div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:185</div></div>
<div class="ttc" id="namespace_s_p_h_html_aa72cf1f63790f923a029b77f683b9a5e"><div class="ttname"><a href="namespace_s_p_h.html#aa72cf1f63790f923a029b77f683b9a5e">SPH::ParticleFunctor</a></div><div class="ttdeci">std::function&lt; void(size_t, Real)&gt; ParticleFunctor</div><div class="ttdef"><b>Definition:</b> base_particle_dynamics.h:49</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting_html_a3abcad3680c4fe824aaa07af52e22284"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_injecting.html#a3abcad3680c4fe824aaa07af52e22284">SPH::fluid_dynamics::EmitterInflowInjecting::checkUpperBound</a></div><div class="ttdeci">virtual void checkUpperBound(size_t unsorted_index_i, Real dt=0.0)</div><div class="ttdef"><b>Definition:</b> fluid_boundary.cpp:89</div></div>
<div class="ttc" id="namespace_s_p_h_html"><div class="ttname"><a href="namespace_s_p_h.html">SPH</a></div><div class="ttdef"><b>Definition:</b> solid_body_supplementary.cpp:9</div></div>
<div class="ttc" id="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition_html_a4aaab16a43845b24980b407c015b65dd"><div class="ttname"><a href="class_s_p_h_1_1fluid__dynamics_1_1_emitter_inflow_condition.html#a4aaab16a43845b24980b407c015b65dd">SPH::fluid_dynamics::EmitterInflowCondition::inflow_pressure_</a></div><div class="ttdeci">Real inflow_pressure_</div><div class="ttdef"><b>Definition:</b> fluid_boundary.h:115</div></div>
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